The Quadrangle of the Birds, Uxmal The South Building The lowest of the four buildings, it is accented in the center by a beautiful Mayan arch, which was probably the main entrance to the Quadrangle, view facing the Palace of the Magician The limestone buildings of Uxmal are, in the main, oriented along a north-east axis. The exception is the House of the Governor which faces the rise of Venus at its southern-most cycle. Fortification walls surround the central sacred complex. Puuc style architecture prevails and arched doorways are a common feature of Uxmal buildings, as are distinctive boot-shaped blocks designed specifically to support vaulting. Building façades are divided horizontally into two distinct parts - a plain lower portion and a highly decorative upper section.
